The best way to make Earth Hour last beyond Saturday is to apply one simple rule of thumb: Use Less of Everything. Jettison the waste hidden in your daily routine. This is great for you personally and for our planet.

In spite of these efforts, there is one resource that Brazil is ignoring: its consumers. Provided with the right information, and engaged at the right time, millions of consumers could help stem Brazil's water crisis by saving water and electricity.

While the first harvest is entirely lost, the hope is that farmers can plant again before the rains stop altogether so that there is hope of having some food to harvest this year. However, the crops will still take months to grow and many families will need food assistance in the interim.

Solving São Paulo's water crisis will require drastic short-term actions. But for other cities in which growth is out of sync with water supplies, one relatively simple strategy can go a long way toward avoiding a similar crisis: employing nature as an ally. Cities that invest in protecting their watersheds can achieve three goals.

As a plant-lover I've always appreciated healthy soil, but it wasn't until I heard a rancher named Richard King explain how rebuilding the organic matter in soils has the potential to store tons of atmospheric carbon that I got true religion.

Today Jack would've turned 16. Had he not been swept up by a flooding creek in a friend's backyard in September of 2011, Jack would be with his mom and dad, sister and cousins and friends tonight, celebrating his sweet 16.

Across California, the snowpack has been 25 percent of the historical average. The state's $1.3 billion ski industry has been feeling it, with some resorts remaining closed and others closing for weeks at a time.

Both inland and coastal communities in the USA must begin preparing for the rise of flooding. In the longer-term, the only real preventative solution to extreme flooding is to slow the acceleration of the rising sea level -- something that can only be done by reducing global warming pollution.